Some argue this amounts to the energy companies charging consumers for upgrades that will primarily save the companies money, through the end of meter reading.
有人认为，这笔钱会通过电厂向用户收取升级费而得以实现，而电厂反倒因为不再需要读表而节省了成本。
2
The charging device, made of a coiled wire with capacitance plates on either end, uses electricity to create a magnetic field that resonates at a specific frequency.
充电装置由线圈和电容板组合而成，通电后会产生一个特定频率的共振磁场。
3
At first sight, this might seem like a typical market, with low-cost commodity producers at one end and high-charging specialists at the other.